56745576 has 64 divisors (see below), whose sum is σ = 163080000. Its totient is φ = 18260928.

The previous prime is 56745569. The next prime is 56745581. The reversal of 56745576 is 67554765.

56745576 is a `hidden beast` number, since 5 + 6 + 74 + 5 + 576 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (2548125).

Almost surely, 2^56745576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56745576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81540000).

56745576 is an abundant number, since it is smaller than the sum of its proper divisors (106334424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56745576 is a wasteful number, since it uses less digits than its factorization.

56745576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103 (or 9093 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 56745576 is about 7532.9659497438. The cubic root of 56745576 is about 384.2766561016.

The spelling of 56745576 in words is "fifty-six million, seven hundred forty-five thousand, five hundred seventy-six".